<template>
  <div class="tabbar">
    <ul>
      <li
        v-for="(item, index) in routerList"
        :key="index"
        @click="switchTab(item.path)"
      >
        <img
          :src="$route.path.includes(item.path) ? item.selected : item.active"
          alt=""
        />
        <span :class="$route.path.includes(item.path) ? 'active' : ''">{{
          item.title
        }}</span>
      </li>
    </ul>
  </div>
</template>

<script>
export default {
  data() {
    return {
      routerList:[
				{
					title:'首页',
					path:'/home',
					active:'/images/home.png',
					selected:'/images/home-select.png',
				},
				{
					title:'分类',
					path:'/list',
					active:'/images/list.png',
					selected:'/images/list-select.png',
				},
				{
					title:'购物车',
					path:'/cart',
					active:'/images/cart.png',
					selected:'/images/cart-select.png',
				},
				{
					title:'我的',
					path:'/my',
					active:'/images/my.png',
					selected:'/images/my-select.png',
				}
				
			]
    };
  },
  methods: {
    switchTab(path) {
      if (this.$route.path == path) return; //this.$route.path为当前路径
      this.$router.replace(path);
    },
  },
};
</script>

<style lang ="scss" scoped>
.tabbar {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  z-index: 999;
  height: 1.44rem;
  background-color: #fff;
  ul {
    display: flex;
    justify-content: space-around;
    width: 100%;
    height: 100%;
    li {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      img {
        width: .8rem;
        height: .8rem;
      }
      span {
        font-size: 0.42rem;
      }
    }
  }
}
.active {
  color: red;
}
</style>